Paperback
Published 2004 by Egmont Books.

Jenny Nimmo: BLUE BOA, The (Paperback, 2004, Egmont Books)
Paperback
Published 2004 by Egmont Books.
Charlie and his friends unite to rescue Ollie, a boy who was turned invisible and made to live in the attics at Bloor's Academy more than a year ago, but they are hindered by a mysterious new student who lives with Charlie's aunts.